MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2b9be5aaa71b18f806a4617dc8bc43c620d0ff19ccd1fe60a0077bc08f875b1b. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


GCleaner


Vendor detections: 13


Intelligence 13 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2b9be5aaa71b18f806a4617dc8bc43c620d0ff19ccd1fe60a0077bc08f875b1b
SHA3-384 hash: ff6155baa3c4566f9650cab34d01db4cf94dcf3e90ddd30050946753cb09180a3d3ab60e2bb548737729e65c340968e5
SHA1 hash: fdee91400b87810b6f659150d52e344ba3009f73
MD5 hash: 53bcafd77d5882fec6ecca479c017727
humanhash: oklahoma-freddie-muppet-glucose
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'407'370 bytes
First seen:2022-10-26 16:46:51 UTC
Last seen:2022-10-26 17:13:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'446 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:Z2LMvZmSYGkkpWXwla4yYIcgFePEKKlV6XyI0LcM9m6A5hq:MLMvTNkkpbpguiV6soM9mBDq
TLSH T136B533D0A7908D7CC0408073AA14DC24D833AA766DBCA474F29EB39D5F3A9BBD5197B1
TrID 50.3% (.EXE) Win32 Executable PowerBASIC/Win 9.x (148303/79/28)
37.2% (.EXE) Inno Setup installer (109740/4/30)
4.8% (.EXE) Win32 Executable Delphi generic (14182/79/4)
2.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.5% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b298acbab2ca7a72 (2'327 x GCleaner, 1'631 x Socks5Systemz, 67 x RedLineStealer)
Reporter andretavare5
Tags:exe gcleaner


Avatar
andretavare5
Sample downloaded from http://95.214.24.96/load.php?pub=mixinte

Intelligence

File Origin
# of uploads :
17
# of downloads :
273
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ficker
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-10-26 16:48:08 UTC
Tags:
installer loader evasion trojan ficker stealer opendir
Link:
https://app.any.run/tasks/21ba8604-59a7-452d-a173-495976fb291b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/324476/
Detection(s):
SecuriteInfo.com.Trojan-Dropper.Win32.Agent.14403.21121.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% subdirectories
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Sending a custom TCP request
Creating a file
Moving a recently created file
Modifying a system file
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Creating a file in the system32 subdirectories
Running batch commands
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Creating a file in the Windows subdirectories
Launching a process
Launching a tool to kill processes
Sending an HTTP GET request to an infection source
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/45705/overview
Behaviour
MalwareBazaar
CheckCmdLine
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
GCleaner
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f985b960-234d-4d25-baf0-c65303fc6e70
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1098610
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Machine Learning detection for dropped file
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 731260 Sample: file.exe Startdate: 26/10/2022 Architecture: WINDOWS Score: 96 47 45.139.105.1 CMCSUS Italy 2->47 49 85.31.46.167 CLOUDCOMPUTINGDE Germany 2->49 51 Multi AV Scanner detection for domain / URL 2->51 53 Antivirus detection for URL or domain 2->53 55 Detected unpacking (changes PE section rights) 2->55 57 4 other signatures 2->57 10 file.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\is-894PK.tmp, PE32 10->31 dropped 13 is-894PK.tmp 16 25 10->13         started        process6 file7 33 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 13->33 dropped 35 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 13->35 dropped 37 C:\...\unins000.exe (copy), PE32 13->37 dropped 39 4 other files (2 malicious) 13->39 dropped 16 exsearcher60.exe 23 13->16         started        process8 dnsIp9 41 107.182.129.235, 49701, 80 META-ASUS Reserved 16->41 43 171.22.30.106, 49702, 80 CMCSUS Germany 16->43 45 45.139.105.171, 49698, 80 CMCSUS Italy 16->45 29 C:\Users\user\AppData\...\TNaZyAogi.exe, PE32 16->29 dropped 20 TNaZyAogi.exe 16->20         started        23 cmd.exe 1 16->23         started        file10 process11 signatures12 59 Multi AV Scanner detection for dropped file 20->59 25 taskkill.exe 1 23->25         started        27 conhost.exe 23->27         started        process13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2b9be5aaa71b18f806a4617dc8bc43c620d0ff19ccd1fe60a0077bc08f875b1b/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2022-10-26 16:47:11 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fon6lkvhdmmpqbvemf64rpcdyyqnb7yzzti74yfaa554bd4hlmnq._file
Verdict:
malicious
Result
Malware family:
nymaim
Create hunting rule
Score:
  10/10
Tags:
family:nymaim discovery trojan
Link:
https://tria.ge/reports/221026-vahxmsgdar/
Behaviour
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Checks installed software on the system
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
NyMaim
Malware Config
C2 Extraction:
45.139.105.171
85.31.46.167
Unpacked files
SH256 hash:
665f09697fc3242926840b9a1a6b6600cd26fd705560705a10500bfa28200ce4
MD5 hash:
04264f19c7079500ed0fcb0da765125d
SHA1 hash:
c55ac46a2a422031cce7e2f12db1586dcfe600cd
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/8ccb9abe-3bf0-4990-b467-02c840aea8ba/
SH256 hash:
988d63be3f1e82f924b64cd775d5ba14e1d83ce274a4b68726a48fe7cdd69b56
MD5 hash:
9402efece6bcf8d2bb32b987bb732357
SHA1 hash:
1aa2b9c6c32fedbb296cf3ed83a78494e01a629e
Link:
https://www.unpac.me/results/8ccb9abe-3bf0-4990-b467-02c840aea8ba/
SH256 hash:
2b9be5aaa71b18f806a4617dc8bc43c620d0ff19ccd1fe60a0077bc08f875b1b
MD5 hash:
53bcafd77d5882fec6ecca479c017727
SHA1 hash:
fdee91400b87810b6f659150d52e344ba3009f73
Link:
https://www.unpac.me/results/8ccb9abe-3bf0-4990-b467-02c840aea8ba/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.68
Link:
https://yomi.yoroi.company/submissions/2b9be5aaa71b18f806a4617dc8bc43c620d0ff19ccd1fe60a0077bc08f875b1b

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:CAS_Malware_Hunting
Create hunting rule
Author:Michael Reinprecht
Description:DEMO CAS YARA Rules for sample2.exe
Rule name:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:win_gcleaner_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.gcleaner.

File information

The table below shows additional information about this malware sample such as delivery method and external references.

  
Dropped by
PrivateLoader
  
Delivery method
Distributed via drive-by
Cape
Cape
https://www.capesandbox.com/analysis/324476/
  
URLhaus
https://urlhaus.abuse.ch/url/2276314/

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